package com.wwj.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.wwj.reggie.common.R;
import com.wwj.reggie.entity.Category;
import com.wwj.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        log.info("category: {}", category);
        categoryService.save(category);
        return R.success("添加成功！！！");
    }

    /**
     * 分页
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize){
//        log.info("page = {}, pageSize = {}", page, pageSize);

        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);

        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        lqw.orderByAsc(Category::getSort);

        //分页查询
        categoryService.page(pageInfo, lqw);

        return R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> deleteById(Long ids){

//        categoryService.removeById(ids);
        categoryService.remove(ids);

        return R.success("删除成功！");
    }

    /**
     * 根据id修改分类
     * @param category
     * @return
     */
    @PutMapping
    public R<String> updateById(@RequestBody Category category){
        categoryService.updateById(category);

        return R.success("修改成功！！！");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper();
        //添加条件
        lqw.eq(category.getType() != null, Category::getType, category.getType());
        //添加排序条件
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lqw);

        return  R.success(list);
    }

}
